Average temperature in December is -1.9 °C
Average daytime temperature is 0.6 °C
Average night temperature is -4.3 °C
Absolute maximum temperature: 9.3 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 10
Number of rainy days: 11
Number of snow days: 10
Precipitation sum: 225 mm
* Weather data for Ulsteinvik Norway is based on climate observations for 2023 year
| December (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -1.4 | -1.6 | -2.5 | -2.9 | -4.9 | -5.4 | -1.8 | -4.5 | -2.8 | 1.2 | -1.9 | -1.3 | -1.1 | 2.8 | 4.5 | 9.3 | 8.3 | 7.7 | 5.1 | 2.9 | 1.5 | 1.4 | -4.8 | -0.3 | 1.8 | 2.8 | 1 | 2.8 | 2 | 2.4 | -3.1 |
| Apparent max temperature | -4.7 | -4.5 | -6.8 | -6.6 | -8.6 | -10.1 | -6 | -8.6 | -6.7 | -1.8 | -5.1 | -5.4 | -5 | -1.6 | 1.1 | 4.2 | 5.2 | 4.6 | -0.2 | -1.6 | -2 | -4.6 | -9.5 | -3.3 | -1.2 | -1.6 | -2.4 | -2.1 | -0.6 | -0.3 | -7 |
| Mean temperature | -3.7 | -3.7 | -5.4 | -4.7 | -6.5 | -6.4 | -4 | -5.8 | -4.4 | -0.8 | -3.8 | -3.8 | -2 | 1.4 | 3 | 6.1 | 4.3 | 6.3 | 1.1 | 0.9 | 0.7 | -3.8 | -7.8 | -3.4 | 0.6 | 0.2 | -4.3 | -1.5 | -0.8 | 0 | -5.1 |
| Apparent mean temperature | -12 | -9.4 | -11.8 | -11.6 | -12.2 | -12.6 | -10.6 | -12 | -10.6 | -6.4 | -10.2 | -10.6 | -7.4 | -6 | -2 | -1.5 | -1.5 | -2.3 | -6.3 | -4.6 | -5.6 | -15.6 | -16.4 | -11.5 | -5.1 | -5.8 | -11.8 | -9.2 | -7.8 | -9.2 | -12.5 |
| Minimum temperature | -7.1 | -5.1 | -7.2 | -7.1 | -7.3 | -7.7 | -6.3 | -7.1 | -6 | -2.8 | -5.5 | -5.8 | -3 | -1.5 | 1.9 | 2.3 | 2.3 | 4 | -2.2 | -1.2 | -0.3 | -10.2 | -10.8 | -6.9 | -0.8 | -1.8 | -7.4 | -4.7 | -3.6 | -5.5 | -7.5 |
| Apparent min temperature | -7.9 | -7.5 | -10.1 | -8.8 | -11 | -11.2 | -8.3 | -10.3 | -8.6 | -4.2 | -7.6 | -8.3 | -6.3 | -3.3 | -0.6 | 1.9 | 1.2 | 2.3 | -2.9 | -3.2 | -3.3 | -8.8 | -12.9 | -7.2 | -3.3 | -3.9 | -8.4 | -5.9 | -4.3 | -3.2 | -9.5 |
| December | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 5.8 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 |
| Sunshine duration (h) | 0 | 2 | 2.7 | 0 | 1.9 | 1.5 | 1.2 | 0 | 1.8 | 0 | 1.6 | 1.3 | 1.3 | 0 | 0 | 0 | 0 | 0 | 0.5 | 0.8 | 0 | 0.7 | 0.3 | 0 | 0 | 0 | 0.5 | 0 | 0 | 0 | 1 |
| Precipitation (mm) | 1.9 | 0.6 | 0 | 0.1 | 0 | 0 | 0.1 | 0 | 0 | 0.3 | 0 | 0 | 0 | 2.3 | 23.8 | 44.2 | 19.8 | 7 | 3.7 | 8.8 | 15 | 1.5 | 0.5 | 11.8 | 25 | 43.4 | 1.4 | 12.5 | 1.3 | 0 | 0 |
| Precipitation hours | 10 | 6 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 7 | 22 | 19 | 21 | 15 | 9 | 16 | 23 | 6 | 4 | 14 | 20 | 22 | 7 | 10 | 3 | 0 | 0 |
| Wind speed (m/s) | 12.5 | 11.5 | 12.3 | 9.9 | 11.7 | 12.8 | 11.3 | 13 | 9.7 | 10 | 11.8 | 13.2 | 13.3 | 20.7 | 18.1 | 40.8 | 19.8 | 33.9 | 31.7 | 20 | 28.9 | 25.5 | 15.5 | 11.2 | 17.3 | 20.5 | 10.3 | 20.6 | 9.8 | 10.2 | 12.5 |
In December 2023, the highest daytime temperature in Ulsteinvik was 9.3°C.
While the minimum temperature at night dropped to -10.8°C.
The average nighttime and daytime temperatures during December in Ulsteinvik are -4.3°C and 0.6°C respectively.
The precipitation sum in December is about 225 mm.